Seasonal migration is common among marine fisheries. Describe the types and indicate the primary causes of migration

What will be an ideal response?


Spawning, changing temperatures, and following prey items are primary causes of fish migrations. Catadromous fish move from freshwater to the ocean to spawn and anadromous fish move from the ocean to freshwater to spawn.

Biology & Microbiology

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The parasite T. gondii is acquired via the ingestion of infected oocysts from cat feces. A diagnosis is primarily made through:

a. examination of stool. b. examination of blood films. c. observance of "jerky" motility. d. serologic means.

Biology & Microbiology

Joints like the hip and shoulder are classified as ____

a. synovial joints b. fibrous joints c. membranous joints d. cartilaginous joints e. hinge joints

Biology & Microbiology

Which of the following is NOT an autoimmune disorder?

a. sickle-cell anemia b. Grave’s disease c. lupus d. multiple sclerosis e. rheumatoid arthritis

Biology & Microbiology

Before Mendel's work was rediscovered, some argued that natural selection would not work because favorable traits would merge into existing traits over time and become lost. This hypothesis is known as ________. [two words]

Fill in the blank(s) with correct word

Biology & Microbiology